Low energy collision: Difference between revisions

Latest revision as of 21:39, 11 April 2014

Low energy collision
DRAFT DEFINITION
A collision between an ion and neutral species with translational energy approximately 1000 eV or lower.
Related Term(s): Low-energy collision-induced dissociation
Reference(s):
This is an unofficial draft definition presented for information and comment. Recommended terms \| Full list of terms

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-Low-energy collisions are typical in the 1-1000 [[eV]] range and occur in [[quadrupole]]s, [[ion trap]]s and [[Hybrid Mass Spectrometer|hybrid instruments]].  The ion excitation is mainly vibrational and the choice of the collision gas is much more important than for [[High Energy Collision|high-energy collisions]]. For low energy collisions heavier gases are preferred since the energy transfer is greater which in turn leads to more fragmentation.
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+A collision between an ion and neutral species with translational energy approximately 1000 eV or lower.
+|rel=[[Low-energy collision-induced dissociation]]}}
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